16372673947 has 24 divisors (see below), whose sum is σ = 19888394400. Its totient is φ = 13413730176.

The previous prime is 16372673903. The next prime is 16372673957. The reversal of 16372673947 is 74937627361.

It is a de Polignac number, because none of the positive numbers 2^k-16372673947 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16372673957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1808829 + ... + 1817857.

It is an arithmetic number, because the mean of its divisors is an integer number (828683100).

Almost surely, 2^16372673947 is an apocalyptic number.

16372673947 is a deficient number, since it is larger than the sum of its proper divisors (3515720453).

16372673947 is a wasteful number, since it uses less digits than its factorization.

16372673947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675 (or 10668 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 55.

The spelling of 16372673947 in words is "sixteen billion, three hundred seventy-two million, six hundred seventy-three thousand, nine hundred forty-seven".